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7. Input/Output Setup
Use the “DIGITAL I/O” and “ANALOG I/O” menus to activate and configure the input and output for the functions
required for the application.
Users may also reference
Section 16 Menu Maps
for additional configuration assistance.
7.1 Analog Input Setup
Two Analog Inputs are provided for the User. Analog Input 1 is used for pump set point (flow or speed pacing)
input. Analog Input 2 is used for systems configured for analog 4-20 mA flow feedback from a user supplied flow
meter.
7.1.1 Analog Input 1 – Set point
Ensure that you have your Analog Input signal connected to the proper location before activating,
See Figure 5-8
–I/O Terminal Strip Details (Panel & NEMA4x Shown)
–
Use Menu->Analog I/O-> Analog Input #1
to activate
the analog input signal function. The menu can be used to set the analog input to either ACTIVE or INACTIVE.
Proceed to
Section 8.1.3 Set point Calibration and Range Setup
to calibrate your input based upon open or
closed loop operation.
7.1.2 Analog Input 2 – Flow meter Feedback
See
Section 9 Flow Meter Input
for installation instructions. The flow meter input signal must be configured
properly prior to use. Use
Menu -
>
System Setup-> Flow Meter ->Meter Type->Analog
to enable the process
feedback analog input. The flow meter type must be set to “ANALOG” to enable this input. Users may also
reference
Section 16 Menu Maps
for additional configuration assistance.
7.1.3 Analog Input Testing
The MPC VECTOR allows for testing of the analog inputs with approximate accuracy. Analog input
does not have to be active to use this feature. The user must provide an analog signal from a
PLC/SCADA or 4-20mA transmitter/calibrator to the input under test. See
Section 5.3.3.7 Analog Input
Wiring Example
for connection. To view the analog input value, proceed to
System Setup -> Information
-> Analog I/O Diagnostics
screen. See
Section 16 Menu Maps
for navigation if necessary.
Once in the Analog Diagnostics Screen the user will see the following:
A I N 1 A I N 2 A O U T
X . X X X . X X X . X
AIN1 and AIN2 show the values, in mA’s, currently applied to analog input 1 and 2, respectively.
Changing the value input from the PLC/SCADA, transmitter/calibrator, or instrumentation (i.e. flow
meter) should be reflected in these two input values. If values do not change be sure to check input
control wiring (signal is polarity sensitive), PLC wiring, and flow meter connections.
Содержание Pulsafeeder MPC Vector
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